Elon Musk threatens Apple with legal action, reignites OpenAI feud over alleged antitrust violations

1. Musk accuses Apple of antitrust violations favoring OpenAI's ChatGPT over Grok. 2. Apple faces a lawsuit from the DOJ for alleged smartphone monopoly. 3. Musk's legal threats follow a feud with OpenAI and regarding its app rankings. 4. Apple's recent legal losses may impact its App Store operations and profitability. 5. Musk warns of banning Apple devices in his companies over OpenAI integration.